Now, withLASIONI Ultrasonic Plant Grower, whichutilize ultrasonic waves to repel animals, as well asUltraResoGrow technology to promote plant growthandkeep plants from freezing in the winter, youll never have to worry about snow-covered plants again, even in the midst of a blizzard! The LASIONI Ultrasonic Plant Grower was developed through a series of rigorous research and innovation steps by distinguished scientists and engineers at the Massachusetts Institute of Technology (MIT) and the University of Cambridge. Leveraging cutting-edge technology, the LASIONI Ultrasonic Plant Grower goes beyond mere growth stimulation its your plants shield against freezing temperatures. Ultrasound is a high-frequency sound wave that exceeds the frequency range of human hearing (20 kHz or more). LASIONIUltrasonic Plant Grower repel wildlife by emitting high-frequency ultrasound waves undetectable to people and pets every thirty seconds. Wildlife becomes uncomfortable or frightened and escapes the reach of the LASIONI Ultrasonic Plant Grower. How to use